How much energy (in eV) does a photon of 500-nm light have? (h = 6.63 * 10^-³⁴ J.s, c = 3.00 * 10⁸ m/s, 1 eV = 1.60 *10^-¹⁹ J, and 1 nm = 10^-⁹m) A) 1.78 eV B) 2.48 eV C) 1.24 eV D) 3.11 eV

Question

Quizplus · Accepted Answer

The energy of a photon is given by E = hc/λ. Substituting the given values: E = (6.63 x 10^-34 J·s)(3.00 x 10^8 m/s) / (500 x 10^-9 m) = 3.98 x 10^-19 J. Converting to eV: (3.98 x 10^-19 J) / (1.60 x 10^-19 J/eV) = 2.48 eV.

How Much Energy (In EV) Does a Photon of 500-Nm